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Map showing publication footprint
  • Usage in publication:
    • Oreapolis limestone member
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Limestone
  • AAPG geologic province:
    • Nemaha anticline
Publication:

Condra, G.E., and Bengtson, N.A., 1915, The Pennsylvanian formations of southeastern Nebraska: Nebraska Academy of Sciences Publications, v. 9, no. 2, 60 p., See also "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 1


Summary:

Pg. 6, 10, 19, 34. Oreapolis limestone member of Andrew (Lawrence) shale. Unweathered stone is light bluish gray and partly crystalline. Basal part weathers light gray. Upper 2 to 3 feet is thin-bedded and slightly yellowish. Thickness 6 to 12 feet. Included in Andrew (Lawrence) shale. Lies 7 to 18 feet below Weeping Water limestone. Age is Pennsylvanian. Report includes measured sections, cross sections.
Type locality: just above RR track 2 mi west of Oreapolis, Cass Co., southeastern NE. Named from Oreapolis.

Source: US geologic names lexicon (USGS Bull. 896, p. 1559); GNC KS-NE Pennsylvanian Corr. Chart, sheet 1, Oct. 1936; supplemental information from GNU records (USGS DDS-6; Denver GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Oreapolis limestone†
  • Modifications:
    • Abandoned
Publication:

Condra, G.E., 1930, Correlation of the Pennsylvanian beds in the Platte and Jones Point sections of Nebraska: Nebraska Geological Survey Bulletin, 2nd series, no. 3, 57 p., See also "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 1


Summary:

Pg. 11. †Oreapolis limestone abandoned, as another name has priority over it. [Does not state what name replaces it.]

Source: US geologic names lexicon (USGS Bull. 896, p. 1559); GNC KS-NE Pennsylvanian Corr. Chart, sheet 1, Oct. 1936.


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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